From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Dimensioned drawing of a Hispano brake shoe.
| Identifier | WestWitteringFiles\K\November1923\ Scan88 | |
| Date | 25th June 1927 guessed | |
| HISPANO BRAKE SHOE Ferodo. Relieved 3/4" each end of Shoe. GUIDE FOR PIN Steel faced for cam action = 113° 4 1/16" 3/4" 2 1/2" 1/4" 9/16" 2 1/8" R 5/8" 1 1/8" 3/16" 12 1/8" | ||